The phrase "a series of subtle" is correct and usable in written English.
It can be used when describing a sequence or collection of nuanced or understated elements, often in contexts like art, literature, or behavior.
Example: "The film presented a series of subtle hints that gradually revealed the true nature of the protagonist."
Alternatives: "a sequence of nuanced" or "a collection of understated".
The presentation is a simple affair, a series of subtle strips.
It sounds like a series of subtle variations on the same theme.
But Dee's narrative is about moral invertebrates, and is in fact shaped around a series of subtle suppressions.
Then, desperately recalibrating in an effort to keep up with events, they inevitably make a series of subtle distinctions no one else heeds.
Recreating that embrace of heat through a series of subtle changes to traditional Chinese methods is, she said, the key to stir-fry success.
I watched thirty dancers go through their routines, a gradual progression from a series of subtle exercises at the barre to, nearly an hour later, the grands jetés.
Instead, he approaches it obliquely, through a series of exquisitely subtle (and often maddeningly opaque) meditations on Freudian concepts like free association, conflict and inhibition.
Lewis' classic 1978 paper proposed an analysis of the expression "true in such-and-such fiction" in terms of possible worlds: what holds in a certain fictional work is what holds at a set of possible worlds, properly selected via a series of (quite subtle and complex) clauses.
This means taking a series of deliberate but subtle steps to recast employees' prevailing views and create a new context for action.
In a series of not so subtle signals to the grassroots, Ed has been emphasising, whenever the opportunity arises, that he is the socialist candidate for anyone in the party who wants to move away from the sullied compromises of Blair era.
Ms. Palin, the former governor of Alaska and 2008 vice presidential nominee, could be using the trips as a prelude to an already planned presidential campaign, serving up the latest in a series of not-so-subtle hints about the importance of these early voting states.
